The Dymax CO2 Professional Regulator RX123 is a lightweight, corrosive-resistant solution for regulating CO2 injections into an aquarium. 

The Best Way to Regulate CO2!

Dymax CO2 Professional Regulator RX-123 accurately regulates CO2 injections for freshwater and saltwater aquariums. This lightweight aluminum regulator is corrosive resistant, which helps protect the device against the elements. Set-up is quick and easy, requiring no tools to connect to a CO2 cylinder.

Highlights:

• High accuracy
• Hand tightened
• Lightweight
• Corrosive resistance
• Generate low heat
• Multi-directional solenoid